Invasive cervical resorption Class III in a maxillary central incisor: diagnosis and follow-up by means of cone-beam computed tomography.

Introduction: Invasive cervical resorption (ICR) is a type of external resorption that begins below the epithelial attachment. The etiology of ICR is mainly caused by trauma or orthodontic treatment. In many cases, cone-beam computed tomography (CBCT) is a very useful tool to achieve proper diagnosis.